What is the differentional relay...what is the work of this in power Tx. how it is works..

0 Answers   ABB,

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what are the effects when a salient pole alternator is run at high speed like 3000 r.p.m?

0 Answers  

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why the single phse machine can not run by the three phase supply.

2 Answers  

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What is distance protection relay? where & why we use this relay?

2 Answers   Siemens, UltraTech, Voltech,

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For DG or Transformer body earthing, is it necessary to terminate the earth bus to earth pit directly? If not terminated to earth pit directly in earth pit and connected to any common bus strip which ultimately connects to earth pit, what will be the pros and cons?

1 Answers  

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can we use trip light with bus coupler?

0 Answers  

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3Cx240 & 3Cx300 sqmm Al. cable from lv side. What is the calculation for this cable??

0 Answers  

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What is the difference between AC Drives and DC Drives?

14 Answers   College School Exams Tests, La-Gajjar Machineries, LG, Schneider, SMEL,

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what is load cell? whrere its used ? how to measured?

2 Answers   Essar,

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what are the ratings of sockets?

10 Answers   L&T,

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WHY 6.6KV MOTORS ARE STAR CONNECTED AND WHY NOT DELTA CONNECTED,

15 Answers   Bhel,

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what is a core company? why should we join a core company?

1 Answers  

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